RoME (version 0.2.4)

haul_at_sea: Check of haul position on sea area

Description

The function identify the hauls that don't fall in the user defined sea area.

Usage

haul_at_sea(DataTA,year,seas=RoME::MedSea,verbose = TRUE)

Value

The function returns the list of the hauls out of the seas polygon. In case only starting haul positions are out of the sea's area a data frame is returned. If both starting and end positions are out of the polygon an object of class list is returned.

Arguments

DataTA

Haul data table according to MEDITS protocol (TA)

year

reference year for the analysis

seas

polygon shapefile defining the extension of the sea area. The default MedSea dataset is referred to the Mediterranean and Black Sea area.

verbose

boolean variable returning verbose output if TRUE

Author

W. Zupa, I. Bitetto

Details

The function check whether the haul position falls in the polygon seas defining the extension of the reference sea area.

References

Anonymus. 2017. MEDITS-Handbook. Version n. 9. MEDITS Working Group. 106 pp.

Examples

TA = RoME::TA
year = 2012
wd <- tempdir()
suffix="2020-03-05_time_h17m44s55"
haul_at_sea(TA,year, seas = MedSea, verbose = TRUE)